Frequencies for first 10,000 rows of spec_use variable in person dataset :

Special Use |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,099       90.99       90.99
          1 |          6        0.06       91.05
          4 |          7        0.07       91.12
          5 |         23        0.23       91.35
          7 |          7        0.07       91.42
          9 |         62        0.62       92.04
          . |        796        7.96      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016